For a free-body diagram shown in the figure, the four forces are applied in the \(x\) and \(y\) directions. What additional force must be applied and at what angle with the positive \(x\text-\)axis so that the net acceleration of the body is zero? 
        
1. \(\sqrt 2~ \text{N}, ~45^\circ\)
2. \(\sqrt 2~ \text{N},~ 135^\circ\)
3. \(\dfrac{2}{\sqrt 3}~ \text{N}, ~30^\circ\)
4. \(2~ \text{N}, ~45^\circ\)
Subtopic:  Types of Forces |
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From NCERT
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